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1N459 - onsemi

Description: Small Signal Diode

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1N459 - onsemi - PCB symbol
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1N459 - onsemi PCB footprint - Other - Other - DIO_1N459
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1N459 Details

  • Manufacturer Part Number:

    1N459

  • Brand Name:

    ON Semiconductor

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    GLASS PACKAGE-2

  • Manufacturer Package Code:

    017AG

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.10.00.70

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Application:

    GENERAL PURPOSE

  • Breakdown Voltage-Min:

    200 V

  • Case Connection:

    ISOLATED

  • Configuration:

    SINGLE

  • Diode Element Material:

    SILICON

  • Diode Type:

    RECTIFIER DIODE

  • Forward Voltage-Max (VF):

    1 V

  • JEDEC-95 Code:

    DO-35

  • JESD-30 Code:

    O-LALF-W2

  • JESD-609 Code:

    e3

  • Non-rep Pk Forward Current-Max:

    0.4 A

  • Number of Elements:

    1

  • Number of Phases:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    175 °C

  • Output Current-Max:

    0.2 A

  • Package Body Material:

    GLASS

  • Package Shape:

    ROUND

  • Package Style:

    LONG FORM

  • Power Dissipation-Max:

    0.5 W

  • Qualification Status:

    Not Qualified

  • Rep Pk Reverse Voltage-Max:

    200 V

  • Reverse Current-Max:

    0.025 µA

  • Reverse Test Voltage:

    175 V

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    WIRE

  • Terminal Position:

    AXIAL

1N459 Frequently Asked Questions (FAQs)

  • The recommended mounting pad layout for the 1N459 is a rectangular pad with a minimum size of 0.5 mm x 1.5 mm, with a 0.5 mm clearance around the pad to ensure proper heat dissipation and to prevent electrical shorts.
  • To prevent electrostatic discharge (ESD) damage to the 1N459, it is recommended to use an ESD wrist strap or mat, and to handle the device by the body or pins, rather than the leads. Additionally, the device should be stored in an anti-static bag or tube when not in use.
  • The maximum allowable voltage for the 1N459 is 1000 V, as specified in the datasheet. Exceeding this voltage may result in device damage or failure.
  • The 1N459 is a standard rectifier diode, and its polarity is determined by the cathode (negative) and anode (positive) terminals. The cathode is marked with a band or notch, and the anode is the other terminal. Correct polarity is essential to ensure proper device operation and to prevent damage.
  • The thermal resistance of the 1N459 is typically around 10°C/W, which means that for every watt of power dissipated, the junction temperature will increase by 10°C. This value can vary depending on the specific application and mounting conditions.

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1N459 Overview

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1N459 Alternates

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Image Part Number Model
Part Image 1N459TR Fairchild Semiconductor Corporation

Rectifier Diode, 1 Element, 0.2A, 200V V(RRM), Silicon, DO-35,
Part Image 1N459A.TR National Semiconductor Corporation

Rectifier Diode, 1 Phase, 1 Element, 0.2A, 200V V(RRM), Silicon, DO-35
Part Image 1N459_T50R Fairchild Semiconductor Corporation

Rectifier Diode, 1 Element, 0.2A, 200V V(RRM), Silicon, DO-35,
Part Image 1N459E3 Microsemi Corporation (now Microchip)

Rectifier Diode, 1 Phase, 1 Element, 0.04A, Silicon, DO-35
Part Image 1N459T50A Fairchild Semiconductor Corporation

Rectifier Diode, 1 Phase, 1 Element, 0.2A, Silicon, DO-35
For a full list of alternate parts for 1N459, check out Findchips.com